Leviticus 22:1

“And the Lord spake unto Moses, etc.] Immediately after he had spoken concerning blemishes in priests, and in a continued discourse signifying, that though priests that had blemishes might eat of the holy things, yet neither they, nor even such who had not any, if they were under legal impurity, might eat of them: saying; as follows.”

“THE PRIESTS IN THEIR UNCLEANNESS. (Lev 22:1-9) Speak unto Aaron and to his sons, that they separate themselves from the holy things--"To separate" means, in the language of the Mosaic ritual, "to abstain"; and therefore the import of this injunction is that the priests should abstain from eating that part of the sacrifices which, though belonging to their order, was to be partaken of only by such of them as were free from legal impurities. that they profane not my holy name in those things which they hallow unto me, &c.--that is, let them not, by their want of due reverence, give occasion to profane my holy name. A careless or irreverent use of things consecrated to God tends to dishonor the…”

“Reverence for Things Sanctified. - The law on this matter was, (1) that no priest who had become unclean was to touch or eat them ( Lev 22:2-9), and (2) that no one was to eat them who was not a member of a priestly family ( Lev 22:10-16). Lev 22:2-3 Aaron and his sons were to keep away from the holy gifts of the children of Israel, which they consecrated to Jehovah, that they might not profane the holy name of Jehovah by defiling them הנּזר with מן to keep away, separate one's self from anything, i.e., not to regard or treat them as on a par with unconsecrated things. The words, "which they sanctify to Me," are a supplementary apposition, added as a more precise definition of the "holy…”